<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">

    <input  v-on:input ="test">
    {{ message | capitalize}}
    {{name}}
</div>

<script>
    new Vue({
        el: '#app',
        data: {
            name:"haha",
            message: 'runoob'
        },
        filters: {
            capitalize: function (value) {
                // alert(value);
                if (!value) return '';
                value = value.toString();

                // return "13232";

                return value.charAt(0).toUpperCase() + value.slice(1);
            }
        },
        methods: {

            test:function(){

                this.name="afds"
            }
        }
    })
</script>
</body>
</html>